Turn on the TV. The standby light should begin blinking, indicating the update is in progress. until the process is 100% complete.
: A forum where technicians share BIOS bins and USB firmware for this specific board. Download MS338 PB802 1920x1080 512M REF55 part4 rar
: Ensure you have every part (e.g., part 1 through part 4) in the same folder. Turn on the TV
: Format a USB drive to FAT32 and copy the extracted file to the root directory (do not put it in a folder). Flash Firmware : Turn off the TV. Insert the USB drive into the TV's USB port. : A forum where technicians share BIOS bins
You can find the firmware files on various technical community forums and specialized firmware repositories:
Always backup your original BIOS before flashing, as installing incorrect firmware can lead to screen issues (e.g., upside-down display) or a bricked board. TP.MS338.PB802 USB Firmware Software Bios Bin
: Hosts archived versions of the TP.MS338.PB802.rar files.